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Benchmarking and scaling studies of pseudospectral code Tarang for turbulence simulations |
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| Authors: | MAHENDRA K VERMA ANANDO CHATTERJEE K SANDEEP REDDY RAKESH K YADAV SUPRIYO PAUL MANI CHANDRA RAVI SAMTANEY |
| Institution: | 1. Department of Physics, Indian Institute of Technology Kanpur, Kanpur, 208 016, India 2. Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur, 208 016, India 3. Computational Fluid Dynamics Team, Centre for Development of Advanced Computing, Pune, 411 007, India 4. Department of Mechanical Engineering, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia |
| Abstract: | Tarang is a general-purpose pseudospectral parallel code for simulating flows involving fluids, magnetohydrodynamics, and Rayleigh–Bénard convection in turbulence and instability regimes. In this paper we present code validation and benchmarking results of Tarang. We performed our simulations on 10243, 20483, and 40963 grids using the HPC system of IIT Kanpur and Shaheen of KAUST. We observe good ‘weak’ and ‘strong’ scaling for Tarang on these systems. |
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